<template>
	<view class="content">
 
	 
		<view class="navbar">
			<view v-for="(item, index) in navList" :key="index" class="nav-item"
				:class="{current: tabCurrentIndex === index}" @click="tabClick(index)">
				{{item.text}}
			</view>
		</view>
		<swiper :current="tabCurrentIndex" class="swiper-box" duration="300" @change="changeTab">
			<swiper-item class="tab-content" v-for="(tabItem,tabIndex) in navList" :key="tabIndex">
				<scroll-view class="list-scroll-content" scroll-y @scrolltolower="loadData">
					 
				  <empty v-if="tabItem.loaded === true && tabItem.productList.length === 0"></empty>
		      <view class="prod-item" v-for="(item,index) in tabItem.productList" :key="index" @click="goproduct(item)">
		      			<view class="image-wrapper"  >
		      				<image class="loaded" :src="item.cover_image"  mode="aspectFill"> </image>
		      			</view>
		      			  <view class="item-right">
		      				  <view class="title">
								<text>{{item.name}}</text>
								<text class="title-right">{{item.need_person}}人团</text>
							  </view>
		      				  <view class="btom">
		      					  <view style="pricebox">
		      						  <text class="price">{{item.sales_price}}</text>
		      						  <text class="price disline" >{{item.market_price}}</text>
		      					  </view>

								  <view class="btndiv">
								  		<text class="gobtn">去抢购</text>
									<view class="lefttime"><countmin color="#ffffff" ref="countmin" background-color="#FF5A5F" splitorColor="#ffffff"
										:timestamp="item.showtime" /></view>
								  </view>
								  
		      				 </view>
		      			  </view>
		      		</view>
		</scroll-view>
		</swiper-item>
		</swiper>
	
	</view>
</template>

<script>
	export default {
		data() {
			return {
					tabCurrentIndex: 0,
			 
					navList: [{
							state: 1,
							text: '正在进行',
							loadingType: 'more',
							page: 1,
							productList: [],
					
						},
						{
							state: 2,
							text: '即将开始',
							loadingType: 'more',
							page: 1,
							productList: []
						}
				 
						],
				 
				pagesize:6
			}
		},
		onLoad(options) {
		 
		 
			this.tabCurrentIndex = 0;
			this.loadData()
		},
		methods: {
			loadData(source) {
				//这里是将订单挂载到tab列表下
				let index = this.tabCurrentIndex;
				let navItem = this.navList[index];
				let state = navItem.state;
			
				if (source === 'tabChange' && navItem.loaded === true) {
					//tab切换只有第一次需要加载数据
					return;
				}
				if (navItem.loadingType === 'loading') {
					//防止重复加载
					return;
				}
				let params = {
					type:"pin",
					pagesize: this.pagesize,
					page: navItem.page,
					starttype:navItem.state
				};
			 
				 
				let that = this;
				navItem.loadingType = 'loading';
				this.$util.req("/activity/getProductList", params, false, function(res) {
					res.data.forEach(item => {
						navItem.productList.push(item);
					});
					
					that.$set(navItem, 'loaded', true);
					navItem.loadingType = res.data.length < that.pagesize ? 'nomore' : 'more';
					navItem.page = navItem.page + 1;
				});
			
			},
			//swiper 切换
			changeTab(e) {
			 
				this.tabCurrentIndex = e.target.current;
				this.loadData('tabChange');
			},
			//顶部tab点击
			tabClick(index) {
				this.tabCurrentIndex = index;
			},
		 goproduct(item){
			 let id = item.jyshop_product_id;
			 			 
			 let gourl = `/pages/product/product?id=`;
			 if (item.activity_type == "pin") {
			 	gourl = `/pages/product/productpin?id=`;
			 }
			 
			 uni.navigateTo({
			 	url: gourl + id
			 });
		 }
		}
	}
</script>

<style lang="scss">
	page,
	.content {
		background: $page-color-base;
		height: 100%;
	}
	
	.prod-item{
		margin: 20upx;
	 	border-radius: 10upx;
	    padding:20upx;
		 height: 240upx;
		display: flex;
		background-color: #FFFFFF;
	.image-wrapper{
				flex:1;
				 
	}
		image{
			margin-left: 2upx;
			border-radius: 20upx;
		}
	 
	 .item-right{
		 flex:2;
		 display: flex;
		 flex-direction: column;
		 justify-content: space-between;
		 padding-left: 10upx;
		 font-size: $font-lg;
		 color: $font-color-dark;
		 .title{
			 font-size: $font-base;
			 display: flex;
			 justify-content: space-between;	
			 .title-right{
			    font-size: $font-sm;
				color: #ff0000;
			 }
		 }
	
		
		 .price {
		 	font-size: $font-lg;
		 	color: $uni-color-primary;
		 	line-height: 1;
		 
		 	&:before {
		 		content: '￥';
		 		font-size: 30upx;
		 	}
		 }
		 .pricebox{
		 		display: flex;
		 		flex-direction: row;
				
		 }
		 .disline{
		 		 color: $font-color-disabled;
		 		font-size: 24upx;
				padding-left: 6upx;
				text-decoration:line-through;
		 }
		 .btom{
 
			 display: flex;
			 
			 justify-content: space-between;
			 align-items: flex-end;
			 
			 .btndiv{
				 
				 display: flex;
				 flex-direction: column;
				 justify-content: center;
				 align-items: center;
				 background-color: #FF5A5F;
				 color: #FFFFFF;
				 border-radius: 10upx;
				 padding: 10upx 20upx;
				 .gobtn{
					 font-size: $font-base;
				 }
				 .lefttime{
					  font-size:$font-sm;
					  display: flex;
				 }
			 }
		 }
	 }
	 
	}
	 
	.swiper-box {
		height: calc(100% - 40px);
	}

	.list-scroll-content {
		height: 100%;
	}

	.navbar {
		display: flex;
		height: 40px;
		padding: 0 5px;
		background: #fff;
		box-shadow: 0 1px 5px rgba(0, 0, 0, .06);
		position: relative;
		z-index: 10;

		.nav-item {
			flex: 1;
			display: flex;
			justify-content: center;
			align-items: center;
			height: 100%;
			font-size: 15px;
			color: $font-color-dark;
			position: relative;

			&.current {
				color: $base-color;

				&:after {
					content: '';
					position: absolute;
					left: 50%;
					bottom: 0;
					transform: translateX(-50%);
					width: 44px;
					height: 0;
					border-bottom: 2px solid $base-color;
				}
			}
		}
	}

	.uni-swiper-item {
		height: auto;
	}

	.order-item {
		display: flex;
		flex-direction: column;
		padding-left: 30upx;
		background: #fff;
		margin-top: 16upx;

		.i-top {
			display: flex;
			align-items: center;
			height: 80upx;
			padding-right: 30upx;
			font-size: $font-base;
			color: $font-color-dark;
			position: relative;

			.time {
				flex: 1;
			}

			.state {
				color: $base-color;
			}

			.del-btn {
				padding: 10upx 0 10upx 36upx;
				font-size: $font-lg;
				color: $font-color-light;
				position: relative;

				&:after {
					content: '';
					width: 0;
					height: 30upx;
					border-left: 1px solid $border-color-dark;
					position: absolute;
					left: 20upx;
					top: 50%;
					transform: translateY(-50%);
				}
			}
		}

		/* 多条商品 */
		.goods-box {
			height: 160upx;
			padding: 20upx 0;
			white-space: nowrap;

			.goods-item {
				width: 120upx;
				height: 120upx;
				display: inline-block;
				margin-right: 24upx;
			}

			.goods-img {
				display: block;
				width: 100%;
				height: 100%;
			}
		}

		/* 单条商品 */
		.goods-box-single {
			display: flex;
			padding: 20upx 0;

			.goods-img {
				display: block;
				width: 120upx;
				height: 120upx;
			}

			.right {
				flex: 1;
				display: flex;
				flex-direction: column;
				padding: 0 30upx 0 24upx;
				overflow: hidden;

				.title {
					font-size: $font-base + 2upx;
					color: $font-color-dark;
					line-height: 1;
				}

				.attr-box {
					font-size: $font-sm + 2upx;
					color: $font-color-light;
					padding: 10upx 12upx;
				}

				.price {
					font-size: $font-base + 2upx;
					color: $font-color-dark;

					&:before {
						content: '￥';
						font-size: $font-sm;
						margin: 0 2upx 0 8upx;
					}
				}
			}
		}

		.price-box {
			display: flex;
			justify-content: flex-end;
			align-items: baseline;
			padding: 20upx 30upx;
			font-size: $font-sm + 2upx;
			color: $font-color-light;

			.num {
				margin: 0 8upx;
				color: $font-color-dark;
			}

			.price {
				font-size: $font-lg;
				color: $font-color-dark;

				&:before {
					content: '￥';
					font-size: $font-sm;
					margin: 0 2upx 0 8upx;
				}
			}
		}

		.action-box {
			display: flex;
			justify-content: flex-end;
			align-items: center;
			height: 100upx;
			position: relative;
			padding-right: 30upx;
		}

		.action-btn {
			width: 160upx;
			height: 60upx;
			margin: 0;
			margin-left: 24upx;
			padding: 0;
			text-align: center;
			line-height: 60upx;
			font-size: $font-sm + 2upx;
			color: $font-color-dark;
			background: #fff;
			border-radius: 100px;

			&:after {
				border-radius: 100px;
			}

			&.recom {
				background: #fff9f9;
				color: $base-color;

				&:after {
					border-color: #f7bcc8;
				}
			}
		}
	}


	/* load-more */
	.uni-load-more {
		display: flex;
		flex-direction: row;
		height: 80upx;
		align-items: center;
		justify-content: center
	}

	.uni-load-more__text {
		font-size: 28upx;
		color: #999
	}

	.uni-load-more__img {
		height: 24px;
		width: 24px;
		margin-right: 10px
	}

	.uni-load-more__img>view {
		position: absolute
	}

	.uni-load-more__img>view view {
		width: 6px;
		height: 2px;
		border-top-left-radius: 1px;
		border-bottom-left-radius: 1px;
		background: #999;
		position: absolute;
		opacity: .2;
		transform-origin: 50%;
		animation: load 1.56s ease infinite
	}

	.uni-load-more__img>view view:nth-child(1) {
		transform: rotate(90deg);
		top: 2px;
		left: 9px
	}

	.uni-load-more__img>view view:nth-child(2) {
		transform: rotate(180deg);
		top: 11px;
		right: 0
	}

	.uni-load-more__img>view view:nth-child(3) {
		transform: rotate(270deg);
		bottom: 2px;
		left: 9px
	}

	.uni-load-more__img>view view:nth-child(4) {
		top: 11px;
		left: 0
	}

	.load1,
	.load2,
	.load3 {
		height: 24px;
		width: 24px
	}

	.load2 {
		transform: rotate(30deg)
	}

	.load3 {
		transform: rotate(60deg)
	}

	.load1 view:nth-child(1) {
		animation-delay: 0s
	}

	.load2 view:nth-child(1) {
		animation-delay: .13s
	}

	.load3 view:nth-child(1) {
		animation-delay: .26s
	}

	.load1 view:nth-child(2) {
		animation-delay: .39s
	}

	.load2 view:nth-child(2) {
		animation-delay: .52s
	}

	.load3 view:nth-child(2) {
		animation-delay: .65s
	}

	.load1 view:nth-child(3) {
		animation-delay: .78s
	}

	.load2 view:nth-child(3) {
		animation-delay: .91s
	}

	.load3 view:nth-child(3) {
		animation-delay: 1.04s
	}

	.load1 view:nth-child(4) {
		animation-delay: 1.17s
	}

	.load2 view:nth-child(4) {
		animation-delay: 1.3s
	}

	.load3 view:nth-child(4) {
		animation-delay: 1.43s
	}

	@-webkit-keyframes load {
		0% {
			opacity: 1
		}

		100% {
			opacity: .2
		}
	}
</style>
